This function returns a deep copy of an rte_devargs.
Signed-off-by: Gaetan Rivet <gaetan.ri...@6wind.com>
---
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 1 +
lib/librte_eal/common/eal_common_devargs.c | 20 ++++++++++++++++++++
lib/librte_eal/common/include/rte_devargs.h | 12 ++++++++++++
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 1 +
4 files changed, 34 insertions(+)
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index 04fa882..a506968 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -203,5 +203,6 @@ DPDK_17.08 {
rte_bus_from_name;
rte_bus_from_dev;
+ rte_eal_devargs_clone;
} DPDK_17.05;
diff --git a/lib/librte_eal/common/eal_common_devargs.c
b/lib/librte_eal/common/eal_common_devargs.c
index b69a2b2..07b89ef 100644
--- a/lib/librte_eal/common/eal_common_devargs.c
+++ b/lib/librte_eal/common/eal_common_devargs.c
@@ -41,6 +41,7 @@
#include <string.h>
#include <rte_devargs.h>
+#include <rte_tailq.h>
#include "eal_private.h"
/** Global list of user devices */
@@ -182,6 +183,25 @@ rte_eal_devargs_add(enum rte_devtype devtype, const char
*devargs_str)
return -1;
}
+/* Deep-copy of an rte_devargs. */
+struct rte_devargs *
+rte_eal_devargs_clone(struct rte_devargs *da)
+{
+ struct rte_devargs *clone;
+
+ clone = calloc(1, sizeof(*clone));
+ if (clone == NULL)
+ return NULL;
+ snprintf(clone->name, sizeof(clone->name), "%s", da->name);
+ clone->args = strdup(da->args ? da->args : "");
+ clone->bus = da->bus;
+ if (clone->args == NULL) {
+ free(clone);
+ return NULL;
+ }
+ return clone;
+}
+
/* count the number of devices of a specified type */
unsigned int
rte_eal_devargs_type_count(enum rte_devtype devtype)
diff --git a/lib/librte_eal/common/include/rte_devargs.h
b/lib/librte_eal/common/include/rte_devargs.h
index 2ab8864..892b035 100644
--- a/lib/librte_eal/common/include/rte_devargs.h
+++ b/lib/librte_eal/common/include/rte_devargs.h
@@ -163,6 +163,18 @@ rte_eal_devargs_parse(const char *dev,
int rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str);
/**
+ * Deep copy an rte_devargs.
+ *
+ * @param da
+ * Source devargs.
+ *
+ * @return
+ * The pointer to the new rte_devargs on success.
+ * NULL on error.
+ */
+struct rte_devargs *rte_eal_devargs_clone(struct rte_devargs *da);
+
+/**
* Count the number of user devices of a specified type
*
* @param devtype
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index a5127d6..6e6638a 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -207,5 +207,6 @@ DPDK_17.08 {
rte_bus_from_name;
rte_bus_from_dev;
+ rte_eal_devargs_clone;
} DPDK_17.05;
--
2.1.4
